OBSERVATIONS ON A HISTAMINASE OF INVERTEBRATE ORIGIN - A CONTRIBUTION TO STUDY OF CEPHALOPOD AMINE OXIDASES

被引:20
作者
BOADLE, MC
机构
[1] Department of Pharmacology, University of Oxford, Marine Biological Laboratory, Plymouth
来源
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY | 1969年 / 30卷 / 04期
关键词
cephalopod; Eledone cirrhosa; Histaminase; monoamine oxidase; optic ganglia; pancreas; renal appendages;
D O I
10.1016/0010-406X(69)92138-0
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
1. 1. The amine oxidase of the renal appendages, pancreas and optic ganglia of Eledone cirrhosa on histamine, ω-N-methylhistamine and a variety of monoamines. Short-chain aliphatic diamines, e.g. putrescine and cadaverine, were not substrates. 2. 2. The oxidation of histamine by these tissues proceeded unchanged in the presence of 10-2 M semicarbazide. 3. 3. The Km of the enzyme present in the renal appendages toward histamine was 6·25 × 10-2. 4. 4. The monocationic form of histamine was oxidized relatively more rapidly than the dicationic form by the amine oxidase of the renal appendages and pancreas. © 1969.
引用
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页码:611 / &
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